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Microalgae production method and equipment

一种微藻、栽培设备的技术，应用在生物化学设备和方法、植物学设备和方法、酶学/微生物学装置等方向，能够解决高资本、高操作成本、高维护等问题

Active Publication Date: 2022-03-25
NELSON MANDELA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this comes at the expense of high capital, high maintenance and high operating costs

Method used

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  • Microalgae production method and equipment
  • Microalgae production method and equipment
  • Microalgae production method and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] in the attached figure 1 with figure 2 In the embodiment of the prototype microalgae cultivation device shown, the microalgae cultivation device for cultivating microalgae comprises a runway (1), such as figure 2 As shown, the raceway defines an endless channel for circulating a liquid growth medium therethrough. A plurality of generally vertical photobioreactor columns (2) are spaced along the length and across the width of the runway and are supported in a vertical position, in use with their lowermost ends submerged in the into the liquid growth medium within the raceway so that the growth medium can be drained from the photobioreactor column directly into the raceway and below the surface of the liquid growth medium contained within the raceway. The photobioreactor columns may be fixed to the bottom of the runway, supported by their own weight to stand on the bottom of the runway, or they may be supported by any suitable means, for example by being attached to ...

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Abstract

The present invention presents a microalgae cultivation apparatus for cultivating microalgae in which the raceway is modified to accommodate a plurality of generally vertical photobioreactor columns spaced along the length of the raceway to augment the liquid growth medium The total surface area directly exposed to light, and by setting the appropriate height within the vertical photobioreactor column to improve CO 2 Transition from gaseous to liquid state. The lowermost end of the photobioreactor column is submerged in the liquid growth medium in the raceway part and is supplied with the liquid growth medium by means of a circulation facilitator for circulating the liquid growth medium from the raceway through the photobioreactor cylinder and discharged back into the runway. The gas inlet provides the CO 2 air bubbles, allowing them to move upward within each photobioreactor column. One or more paddle wheels or jet pumps direct the flow of liquid growth medium within the raceway.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to UK Patent Application No. 1511545.4 filed 1 July 2015, which is incorporated herein by reference. technical field [0003] The present invention relates to methods and apparatus for cultivating microalgae that can be used for many different purposes. Background technique [0004] Prior art microalgae cultivation systems generally fall into one of two main categories, namely, closed systems (photobioreactor technology) and open systems (open pond or racetrack technology). [0005] Photobioreactors are cultivation systems in which light passes through transparent reactor walls made of UV-resistant material to microalgae units cultivated in the reactor. [0006] Open ponds or raceways, on the other hand, are open systems in which sunlight shines on the surface of a liquid growing medium that is usually circulated in endless channels called raceways. [0007] Open systems are simple a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/04C12M1/00
CPCC12M23/18C12M23/06C12M27/18C12M21/02C12M23/02C12M23/58A01G33/00
Inventor 伯纳德·齐利约翰·彼特·巴纳尔德
Owner NELSON MANDELA UNIV
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